From owner-freebsd-xen@FreeBSD.ORG Mon Jul 15 11:06:55 2013 Return-Path: Delivered-To: freebsd-xen@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 2AD01FC6 for ; Mon, 15 Jul 2013 11:06:55 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 0D70EFDD for ; Mon, 15 Jul 2013 11:06:55 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r6FB6sUb084680 for ; Mon, 15 Jul 2013 11:06:54 GMT (envelope-from owner-bugmaster@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r6FB6sP7084676 for freebsd-xen@FreeBSD.org; Mon, 15 Jul 2013 11:06:54 GMT (envelope-from owner-bugmaster@FreeBSD.org) Date: Mon, 15 Jul 2013 11:06:54 GMT Message-Id: <201307151106.r6FB6sP7084676@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: gnats set sender to owner-bugmaster@FreeBSD.org using -f From: FreeBSD bugmaster To: freebsd-xen@FreeBSD.org Subject: Current problem reports assigned to freebsd-xen@FreeBSD.org X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2013 11:06:55 -0000 Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker Resp. Description -------------------------------------------------------------------------------- o kern/176471 xen [xen] xn driver crash on detach o kern/176053 xen [xen] [patch] i386: Correct wrong usage of vsnprintf() o kern/175954 xen [xen] XENHVM xn network driver extreme packet loss dur o kern/175822 xen [xen] FreeBSD 9.1 does not work with Xen 4.0 o kern/175757 xen [xen] [patch] xen pvhvm looses keyboard input from VNC o kern/171873 xen [xen] xn network device floods warning in dmesg o kern/171118 xen [xen] FreeBSD XENHVM guest doesn't shutdown cleanly o kern/166174 xen [xen] Problems ROOT MOUNT ERROR o kern/165418 xen [xen] Problems mounting root filesystem from XENHVM o kern/164630 xen [xen] XEN HVM kernel: run_interrupt_driven_hooks: stil o kern/164450 xen [xen] Failed to install FreeeBSD 9.0-RELEASE from CD i o kern/162677 xen [xen] FreeBSD not compatible with "Current Stable Xen" o kern/161318 xen [xen] sysinstall crashes with floating point exception o kern/155468 xen [xen] Xen PV i386 multi-kernel CPU system is not worki o kern/155353 xen [xen] [patch] put "nudging TOD" message under boot_ver o kern/154833 xen [xen]: xen 4.0 - DomU freebsd8.2RC3 i386, XEN kernel. o kern/154473 xen [xen] xen 4.0 - DomU freebsd8.1 i386, XEN kernel. Not o kern/154472 xen [xen] xen 4.0 - DomU freebsd8.1 i386 xen kernel reboot o kern/154428 xen [xen] xn0 network interface and PF - Massive performan o kern/153674 xen [xen] i386/XEN idle thread shows wrong percentages o kern/153672 xen [xen] [panic] i386/XEN panics under heavy fork load o kern/153620 xen [xen] Xen guest system clock drifts in AWS EC2 (FreeBS o kern/153477 xen [xen] XEN pmap code abuses vm page queue lock o kern/153150 xen [xen] xen/ec2: disable checksum offloading on interfac o kern/152228 xen [xen] [panic] Xen/PV panic with machdep.idle_mwait=1 o kern/144629 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor o kern/143398 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor o kern/143340 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor f kern/143069 xen [xen] [panic] Xen Kernel Panic - Memory modified after f kern/135667 xen ufs filesystem corruption on XEN DomU system f kern/135421 xen [xen] FreeBSD Xen PVM DomU network failure - netfronc. f kern/135178 xen [xen] Xen domU outgoing data transfer stall when TSO i p kern/135069 xen [xen] FreeBSD-current/Xen SMP doesn't function at all f i386/124516 xen [xen] FreeBSD-CURRENT Xen Kernel Segfaults when config o kern/118734 xen [xen] FreeBSD 6.3-RC1 and FreeBSD 7.0-BETA 4 fail to b 35 problems total. From owner-freebsd-xen@FreeBSD.ORG Mon Jul 15 13:50:02 2013 Return-Path: Delivered-To: freebsd-xen@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id E6230E0D for ; Mon, 15 Jul 2013 13:50:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id BE8BEBB7 for ; Mon, 15 Jul 2013 13:50:02 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r6FDo2xu022608 for ; Mon, 15 Jul 2013 13:50:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r6FDo2mA022607; Mon, 15 Jul 2013 13:50:02 GMT (envelope-from gnats) Date: Mon, 15 Jul 2013 13:50:02 GMT Message-Id: <201307151350.r6FDo2mA022607@freefall.freebsd.org> To: freebsd-xen@FreeBSD.org Cc: From: "Mark Felder" Subject: Re: kern/154428: [xen] xn0 network interface and PF - Massive performance drop X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Mark Felder List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2013 13:50:03 -0000 The following reply was made to PR kern/154428; it has been noted by GNATS. From: "Mark Felder" To: bug-followup@freebsd.org, alex@ahhyes.net Cc: Subject: Re: kern/154428: [xen] xn0 network interface and PF - Massive performance drop Date: Mon, 15 Jul 2013 08:43:30 -0500 I wasn't able to replicate this on an 8.4 XENHVM kernel -- perhaps this has now been fixed? When 9.2-RELEASE drops we should test there as well before closing this out. From owner-freebsd-xen@FreeBSD.ORG Tue Jul 16 04:20:02 2013 Return-Path: Delivered-To: freebsd-xen@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id DDBA2C88 for ; Tue, 16 Jul 2013 04:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id B7A45D28 for ; Tue, 16 Jul 2013 04:20:02 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r6G4K2PD014504 for ; Tue, 16 Jul 2013 04:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r6G4K2QR014503; Tue, 16 Jul 2013 04:20:02 GMT (envelope-from gnats) Date: Tue, 16 Jul 2013 04:20:02 GMT Message-Id: <201307160420.r6G4K2QR014503@freefall.freebsd.org> To: freebsd-xen@FreeBSD.org Cc: From: alex@ahhyes.net Subject: Re: kern/154428: [xen] xn0 network interface and PF - Massive performance drop X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: alex@ahhyes.net List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jul 2013 04:20:02 -0000 The following reply was made to PR kern/154428; it has been noted by GNATS. From: alex@ahhyes.net To: Cc: Subject: Re: kern/154428: [xen] xn0 network interface and PF - Massive performance drop Date: Tue, 16 Jul 2013 14:09:49 +1000 On 2013-07-15 23:43, Mark Felder wrote: > I wasn't able to replicate this on an 8.4 XENHVM kernel -- perhaps > this has now been fixed? > > When 9.2-RELEASE drops we should test there as well before closing > this out. Hi Mark, You're certain TSO is enabled for the NIC? ie: Not disabled via ifconfig or sysctl? Cheers, Alex. From owner-freebsd-xen@FreeBSD.ORG Tue Jul 16 11:23:33 2013 Return-Path: Delivered-To: freebsd-xen@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id CCE42CF7 for ; Tue, 16 Jul 2013 11:23:33 +0000 (UTC) (envelope-from feld@feld.me) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id A220EE9D for ; Tue, 16 Jul 2013 11:23:32 +0000 (UTC) Received: from compute6.internal (compute6.nyi.mail.srv.osa [10.202.2.46]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id B2ED22116F; Tue, 16 Jul 2013 07:23:30 -0400 (EDT) Received: from web3 ([10.202.2.213]) by compute6.internal (MEProxy); Tue, 16 Jul 2013 07:23:30 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=feld.me; h= message-id:from:to:mime-version:content-transfer-encoding :content-type:in-reply-to:references:subject:date; s=mesmtp; bh= 26uWz18TbLVbSI++OI8DlK+xvEY=; b=e+T4FgJdaUFv4CyMWogRHrbl5fvc4XPU 2sgzNn9jsxb1xHev3IrEB49RhzTpCbrBCCo2Pbf4JI0d7EHu59vqliUNtL3EFasI yEosCDspXQ5Z7FAE79KdkRryohWLwDgz4EaVOJz1nMeDEbpJpiYRW5+cXjDfuT8R +Ti49bGywu4= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=message-id:from:to:mime-version :content-transfer-encoding:content-type:in-reply-to:references :subject:date; s=smtpout; bh=26uWz18TbLVbSI++OI8DlK+xvEY=; b=FOF hnkERcM+e7OFxPHAulhJX4LxjOtJjECgmFotFTPX0tXRbM7h1f8BJKXMtzdsw50Y CF5AboqqO61IscMhVrAbdHcr4wfiVH348stHjYNpDDeqzp7ZWOAUYNmZc0oiI3Jd dAxVJ0WYbQgkOawKcetfTUTUrewKeBexwsZra/Yg= Received: by web3.nyi.mail.srv.osa (Postfix, from userid 99) id EC25EB00003; Tue, 16 Jul 2013 07:23:29 -0400 (EDT) Message-Id: <1373973809.27916.140661256226689.6B762318@webmail.messagingengine.com> X-Sasl-Enc: MHP6QTfgiVbUqkp2GmwNBHDyO+pCBWaeWeGCJCa9mzF2 1373973809 From: Mark Felder To: alex@ahhyes.net, freebsd-xen@FreeBSD.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-bdcdd1cb In-Reply-To: <201307160420.r6G4K2QR014503@freefall.freebsd.org> References: <201307160420.r6G4K2QR014503@freefall.freebsd.org> Subject: Re: kern/154428: [xen] xn0 network interface and PF - Massive performance drop Date: Tue, 16 Jul 2013 06:23:29 -0500 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jul 2013 11:23:33 -0000 On Mon, Jul 15, 2013, at 23:20, alex@ahhyes.net wrote: > > Hi Mark, > > You're certain TSO is enabled for the NIC? ie: Not disabled via > ifconfig or sysctl? > Ok, I just did some further testing again. I left TSO off in production because I wanted this to match our other servers for now. With TSO on there are no more speed issues. Before network operations were slower than dialup, and this is not the case anymore. However, there is an added bit of latency to all network operations. For example, a large text output over ssh via "dmesg" with TSO off is instant. With TSO on there's a 1 second lag before it reaches my terminal. It appears it's not fully fixed, but it's getting closer. We'll have to see if the recent XENHVM work in head has made any further progress. I haven't had time to test it yet.